491 results match your criteria peg3


Opposing Epigenetic Signatures in Human Sperm by Intake of Fast Food Versus Healthy Food.

Front Endocrinol (Lausanne) 2021 23;12:625204. Epub 2021 Apr 23.

Department of Biological Sciences, Center for Human Health and the Environment, North Carolina State University, Raleigh, NC, United States.

Animal experiments have demonstrated that diets high in fats create a harmful environment for developing sperm cells, contributing to impaired reproductive health and induced risk for chronic diseases in the next generation. Changes at the level of the epigenome have been suggested to underlie these observations. Human data are limited to verify this hypothesis. Read More

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Prenatal exposure to propylparaben at human-relevant doses accelerates ovarian aging in adult mice.

Environ Pollut 2021 Apr 28;285:117254. Epub 2021 Apr 28.

Department of Obstetrics and Gynecology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1095 Jiefang Ave, Wuhan, 430030, Hubei, China. Electronic address:

Embryonic exposure to environmental chemicals may result in specific chronic diseases in adulthood. Parabens, a type of environmental endocrine disruptors widely used in pharmaceuticals and cosmetics, have been shown to cause a decline in women's reproductive function. However, whether exposure to parabens during pregnancy also negatively affect the ovarian function of the female offspring in adulthood remains unclear. Read More

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MTTL3 upregulates microRNA-1246 to promote occurrence and progression of NSCLC via targeting paternally expressed gene 3.

Mol Ther Nucleic Acids 2021 Jun 24;24:542-553. Epub 2021 Feb 24.

Department of Thoracocardiac Surgery, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou 510630, Guangdong, China.

Non-small cell lung cancer (NSCLC) is one of the major causes of morbidity and mortality worldwide. We aimed to investigate the role of N6-methyladenosine (m6A) methyltransferase-like 3 (METTL3) regulating microRNA-1246 (miR-1246) in the progression of NSCLC by targeting paternally expressed gene 3 (PEG3). METTL3, miR-1246, and PEG3 expression in tissues was assessed, and the predictive role of METTL3 in prognosis of patients with NSCLC was detected. Read More

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A functional outside-in signaling network of proteoglycans and matrix molecules regulating autophagy.

Matrix Biol 2021 Apr 7. Epub 2021 Apr 7.

Department of Pathology, Anatomy, and Cell Biology, and the Translational Cellular Oncology Program, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania, USA. Electronic address:

Proteoglycans and selected extracellular matrix constituents are emerging as intrinsic and critical regulators of evolutionarily conversed, intracellular catabolic pathways. Often, these secreted molecules evoke sustained autophagy in a variety of cell types, tissues, and model systems. The unique properties of proteoglycans have ushered in a paradigmatic shift to broaden our understanding of matrix-mediated signaling cascades. Read More

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Elevated miR-129-5p attenuates hepatic fibrosis through the NF-κB signaling pathway via PEG3 in a carbon CCl rat model.

J Mol Histol 2021 Mar 20. Epub 2021 Mar 20.

Department of Gastroenterology, Binzhou Medical University Hospital, No. 661, Huanghe 2nd Road, Bincheng District, Binzhou, 256603, Shandong, People's Republic of China.

Hepatic fibrosis is a reversible scaring response to chronic liver injury. MicroRNA (miR)-129-5p might regulate fibrosis-related gene expression. This study is performed to decipher, potential of miR-129-5p to influence the progression of hepatic fibrosis in a carbon tetrachloride (CCl) rat model. Read More

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MiR-200a-3p Aggravates DOX-Induced Cardiotoxicity by Targeting PEG3 Through SIRT1/NF-κB Signal Pathway.

Cardiovasc Toxicol 2021 Apr 27;21(4):302-313. Epub 2021 Feb 27.

Department of Cardiovasology, Hunan Provincial People's Hospital, Changsha, Hunan, 410000, People's Republic of China.

Doxorubicin (DOX) is a widely used cytotoxic drug whose application is limited by its severe side effects. Little was known regarding how to offset its side effects. Therefore this study aims to explore the role of miR-200a-3p in DOX-induced cardiotoxicity and its possible mechanism. Read More

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Reproductive fluids, used for the in vitro production of pig embryos, result in healthy offspring and avoid aberrant placental expression of PEG3 and LUM.

J Anim Sci Biotechnol 2021 Feb 15;12(1):32. Epub 2021 Feb 15.

Department of Physiology- Faculty of Veterinary, University of Murcia - Campus Mare Nostrum, 30100, Murcia, Spain.

Background: In vitro embryo production (IVP) and embryo transfer (ET) are two very common assisted reproductive technologies (ART) in human and cattle. However, in pig, the combination of either procedures, or even their use separately, is still considered suboptimal due to the low efficiency of IVP plus the difficulty of performing ET in the long and contorted uterus of the sow. In addition, the potential impact of these two ART on the health of the offspring is unknown. Read More

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February 2021

Downregulated microRNA-129-5p by Long Non-coding RNA NEAT1 Upregulates PEG3 Expression to Aggravate Non-alcoholic Steatohepatitis.

Front Genet 2020 26;11:563265. Epub 2021 Jan 26.

Department of Hepatobiliary Surgery II, Zhujiang Hospital, Southern Medical University, Guangzhou, China.

Long non-coding RNAs (lncRNAs) have recently emerged as inflammation-associated biological molecules with a specific role in the progression of liver fibrosis conditions including non-alcoholic steatohepatitis (NASH). The aim of this study was to elucidate the effects of lncRNA nuclear enriched abundant transcript 1 (NEAT1), microRNA-129-5p (miR-129-5p), and paternally expressed gene 3 (PEG3) on the biological activities of hepatic stellate cells (HSCs) subjected to NASH. First, microarray-based analysis revealed upregulated PEG3 in NASH. Read More

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January 2021

Does fresh or frozen embryo transfer affect imprinted gene expressions in human term placenta?

Acta Histochem 2021 Apr 8;123(3):151694. Epub 2021 Feb 8.

Department of Histology and Embryology, Medical Faculty, Akdeniz University, Antalya, Turkey. Electronic address:

Our research aimed to compare the epigenetic alterations between placentae of in vitro fertilization (IVF) patients and spontaneous pregnancies. Additionally, the expression levels of proliferation markers (PCNA, Ki67) and glucose transporter proteins (GLUT1, GLUT3) were assessed in control and IVF placentae to examine the possible consequences of epigenetic alterations on placental development. Control group placentae were obtained from spontaneous pregnancies of healthy women (n = 16). Read More

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Microfluidic Preparation of Zr-Radiolabelled Proteins by Flow Photochemistry.

Molecules 2021 Feb 2;26(3). Epub 2021 Feb 2.

Department of Chemistry, University of Zurich, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland.

Zr-radiolabelled proteins functionalised with desferrioxamine B are a cornerstone of diagnostic positron emission tomography. In the clinical setting, Zr-labelled proteins are produced manually. Here, we explore the potential of using a microfluidic photochemical flow reactor to prepare Zr-radiolabelled proteins. Read More

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February 2021

Methylation of Imprinted Genes in Sperm DNA Correlated to Urinary Polycyclic Aromatic Hydrocarbons (PAHs) Exposure Levels in Reproductive-Aged Men and the Birth Outcomes of the Offspring.

Front Genet 2020 11;11:611276. Epub 2021 Jan 11.

Department of Children and Adolescences Health, School of Public Health, Shanxi Medical University, Taiyuan, China.

Polycyclic aromatic hydrocarbons (PAHs) are known environmental pollutants. Studies are very limited regarding the impacts of paternal PAHs exposure on birth outcomes as well as the underpinning mechanisms in human. In this study, 302 reproductive-aged males (22-46 years old) were enrolled and demographic informatics data were obtained by questionnaires. Read More

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January 2021

Resveratrol and its Nanoparticle suppress Doxorubicin/Docetaxel-resistant anaplastic Thyroid Cancer Cells and .

Nanotheranostics 2021 1;5(2):143-154. Epub 2021 Jan 1.

South China University of Technology School of Medicine, Guangzhou 510006, P.R. China.

Docetaxel and doxorubicin combination has been widely used in anaplastic thyroid cancer/ATC treatment but often results in serious adverse effects and drug resistance. Resveratrol effectively inhibits ATC cell proliferation without affecting the corresponding normal cells, while its anti-ATC effects especially on the ones with docetaxel/doxorubicin-resistance have not been reported due to its low bioavailability. Nanoparticles with sustained-release and cancer-targeting features may overcome this therapeutic bottleneck. Read More

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January 2021

Imprinting methylation predicts hippocampal volumes and hyperintensities and the change with age in later life.

Sci Rep 2021 Jan 13;11(1):943. Epub 2021 Jan 13.

Rowett Institute of Nutrition and Health, University of Aberdeen, Aberdeen, AB25 2ZD, UK.

Epigenetic imprinting is important for neurogenesis and brain function. Hippocampal volumes and brain hyperintensities in late life have been associated with early life circumstances. Epigenetic imprinting may underpin these associations. Read More

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January 2021

Identification of mRNAs and lncRNAs Involved in the Regulation of Follicle Development in Goat.

Front Genet 2020 17;11:589076. Epub 2020 Dec 17.

College of Animal Science, South China Agricultural University, Guangzhou, China.

Follicular development and maturation has a significant impact on goat reproductive performance, and it is therefore important to understand the molecular basis of this process. The importance of long non-coding RNAs (lncRNAs) in mammalian reproduction has been established, but little is known about the roles of lncRNAs in different follicular stages, especially in goats. In this study, RNA sequencing (RNA-seq) of large follicles (>10 mm) and small follicles (<3 mm) of Chuanzhong black goats was performed to investigate the regulatory mechanisms of lncRNAs and mRNAs in follicular development and maturation. Read More

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December 2020

Epigenetic mechanisms involved in intrauterine growth restriction and aberrant kidney development and function.

J Dev Orig Health Dis 2020 Dec 22:1-11. Epub 2020 Dec 22.

School of Agriculture, Food and Wine & Waite Research Institute, University of Adelaide, Adelaide, South Australia, Australia.

Intrauterine growth restriction (IUGR) due to uteroplacental insufficiency results in a placenta that is unable to provide adequate nutrients and oxygen to the fetus. These growth-restricted babies have an increased risk of hypertension and chronic kidney disease later in life. In rats, both male and female growth-restricted offspring have nephron deficits but only males develop kidney dysfunction and high blood pressure. Read More

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December 2020

DNA methylation defects in spermatozoa of male partners from couples experiencing recurrent pregnancy loss.

Hum Reprod 2021 Jan;36(1):48-60

Neuroendocrinology Department, Indian Council of Medical Research-National Institute for Research in Reproductive Health, Mumbai, India.

Study Question: What is the sperm DNA methylation status of imprinted genes in male partners from couples experiencing recurrent pregnancy loss (RPL)?

Summary Answer: Aberrations in sperm DNA methylation status of several imprinted genes, such as insulin like growth factor-2-H19 differentially methylated region (IGF2-H19 DMR), intergenic differentially methylated region (IG-DMR), mesoderm specific transcript (MEST), zinc finger protein which regulates apoptosis and cell cycle arrest (ZAC), DMR in intron 10 of KCNQ1 gene (KvDMR), paternally expressed gene 3 (PEG3) and paternally expressed gene 10 (PEG10), as well as decreased sperm global 5-methylcytosine (5mC) levels, are associated with RPL.

What Is Known Already: RPL is defined as loss of two or more pregnancies, affecting 1-2% of couples of reproductive age. Although there are several maternal and paternal aetiological factors contributing to RPL, nearly 50% of the cases remain idiopathic. Read More

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January 2021

Identification of potential transcription factors that enhance human iPSC generation.

Sci Rep 2020 12 15;10(1):21950. Epub 2020 Dec 15.

Basic Medical Sciences Department, College of Medicine, QU Health, Qatar University, Doha, Qatar.

Although many factors have been identified and used to enhance the iPSC reprogramming process, its efficiency remains quite low. In addition, reprogramming efficacy has been evidenced to be affected by disease mutations that are present in patient samples. In this study, using RNA-seq platform we have identified and validated the differential gene expression of five transcription factors (TFs) (GBX2, NANOGP8, SP8, PEG3, and ZIC1) that were associated with a remarkable increase in the number of iPSC colonies generated from a patient with Parkinson's disease. Read More

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December 2020

Do assisted reproductive technologies and in vitro embryo culture influence the epigenetic control of imprinted genes and transposable elements in children?

Hum Reprod 2021 Jan;36(2):479-492

Université Bourgogne Franche-Comté-Equipe Génétique des Anomalies du Développement (GAD) INSERM UMR1231, Dijon, France.

Study Question: Do assisted reproductive technologies (ART) and in vitro embryo culture influence the epigenetic control of imprinted genes (IGs) and transposable elements (TEs) in children?

Summary Answer: Significant differences in the DNA methylation of IGs or transposon families were reported between ART and naturally conceived children, but there was no difference between culture media.

What Is Known Already: There is concern that ART may play a role in increasing the incidence of adverse health outcomes in children, probably through epigenetic mechanisms. It is crucial to assess epigenetic control, especially following non-optimal in vitro culture conditions and to compare epigenetic analyses from ART-conceived and naturally conceived children. Read More

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January 2021

The placental programming hypothesis: Placental endocrine insufficiency and the co-occurrence of low birth weight and maternal mood disorders.

Placenta 2020 09 8;98:52-59. Epub 2020 Apr 8.

Biomedicine Division, School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK. Electronic address:

Polypeptide hormones and steroid hormones, either expressed by the placenta or dependant on the placenta for their synthesis, are key to driving adaptations in the mother during pregnancy that support growth in utero. These adaptations include changes in maternal behaviour that take place in pregnancy and after the birth to ensure that offspring receive appropriate care and nutrition. Placentally-derived hormones implicated in the programming of maternal caregiving in rodents include prolactin-related hormones and steroid hormones. Read More

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September 2020

HPV-CCDC106 integration alters local chromosome architecture and hijacks an enhancer by three-dimensional genome structure remodeling in cervical cancer.

J Genet Genomics 2020 08 11;47(8):437-450. Epub 2020 Jun 11.

Department of Gynecologic Oncology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China; Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China. Electronic address:

Integration of human papillomavirus (HPV) DNA into the human genome is a reputed key driver of cervical cancer. However, the effects of HPV integration on chromatin structural organization and gene expression are largely unknown. We studied a cohort of 61 samples and identified an integration hot spot in the CCDC106 gene on chromosome 19. Read More

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Specific imprinted genes demethylation in association with oocyte donor's age and culture conditions in bovine embryos assessed at day 7 and 12 post insemination.

Theriogenology 2020 Dec 24;158:321-330. Epub 2020 Sep 24.

Centre de Recherche en Reproduction, Développement et Santé Intergénérationnelle (CRDSI), Département des Sciences Animals, Faculté des Sciences de l'agriculture et de l'alimentation, Université Laval, Québec, Canada. Electronic address:

The production of bovine embryos through in vitro maturation and fertilization is an important tool of the genomic revolution in dairy cattle. Gene expression analysis of these embryos revealed differences according to the culture conditions or oocyte donor's pubertal status compared to in vivo derived embryos. We hypothesized that some of the methylation patterns in oocytes are acquired in the last step of folliculogenesis and could be influenced by the environment created in the follicles containing these oocytes. Read More

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December 2020

DNA methylation dynamics during zygotic genome activation in goat.

Theriogenology 2020 Oct 13;156:144-154. Epub 2020 Jul 13.

Jiangsu Livestock Embryo Engineering Laboratory, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, China. Electronic address:

DNA methylation is a crucial element in the epigenetic regulation of mammalian embryonic development. However, the subtle changes in DNA methylation differ in species, and, little information is known regarding the dynamics of DNA methylation at the single-base resolution in goat. In the present study, we studied the DNA methylation dynamics during goat zygotic genome activation (ZGA) at global and single-base resolution using immunostaining and reduced representation bisulfite sequencing, respectively. Read More

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October 2020

PEG3 mutation is associated with elevated tumor mutation burden and poor prognosis in breast cancer.

Authors:
Min Zhang Jin Zhang

Biosci Rep 2020 08;40(8)

The Third Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Tianjin 300060, China.

Background: Breast cancer is the second most common malignancy in women and considered as a severe health burden. PEG3 mutations have been observed in several cancers. However, the associations of PEG3 mutation with tumor mutation burden (TMB) and prognosis in breast cancer have not been investigated. Read More

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Anti-integrin α therapy improves cardiac fibrosis after myocardial infarction by blunting cardiac PW1 stromal cells.

Sci Rep 2020 07 9;10(1):11404. Epub 2020 Jul 9.

Université de Paris, PARCC, INSERM, 56 Rue Leblanc, 75015, Paris, France.

There is currently no therapy to limit the development of cardiac fibrosis and consequent heart failure. We have recently shown that cardiac fibrosis post-myocardial infarction (MI) can be regulated by resident cardiac cells with a fibrogenic signature and identified by the expression of PW1 (Peg3). Here we identify αV-integrin (CD51) as an essential regulator of cardiac PW1 cells fibrogenic behavior. Read More

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Proteoglycan-driven Autophagy: A Nutrient-independent Mechanism to Control Intracellular Catabolism.

J Histochem Cytochem 2020 11 6;68(11):733-746. Epub 2020 Jul 6.

Department of Pathology, Anatomy & Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA.

Proteoglycans are rapidly emerging as versatile regulators of intracellular catabolic pathways. This is predominantly achieved via the non-canonical induction of autophagy, a fundamentally and evolutionarily conserved eukaryotic pathway necessary for maintaining organismal homeostasis. Autophagy facilitated by either decorin, a small leucine-rich proteoglycan, or perlecan, a basement membrane heparan sulfate proteoglycan, proceeds independently of ambient nutrient conditions. Read More

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November 2020

Functional Hybrid Molecules for the Visualization of Cancer: PESIN-Homodimers Combined with Multimodal Molecular Imaging Probes for Positron Emission Tomography and Optical Imaging: Suited for Tracking of GRPR-Positive Malignant Tissue*.

Chemistry 2020 Dec 28;26(69):16349-16356. Epub 2020 Oct 28.

Biomedical Chemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany.

We describe multimodal imaging probes for gastrin-releasing peptide receptor (GRPR)-specific targeting suited for positron emission tomography and optical imaging (PET/OI), consisting of PESIN (PEG -BBN ) dimers connected to multimodal imaging subunits. These multimodal agents comprise a fluorescent dye for OI and the chelator ((1,4,7-triazacyclononane-4,7-diyl)diacetic acid-1-glutaric acid) (NODA-GA) for PET radiometal isotope labelling. Special focus was put on the influence of the used dyes on the properties of the whole bioconjugates. Read More

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December 2020

Timing of exposure to gonadotropins has differential effects on the conceptus: evidence from a mouse model†.

Biol Reprod 2020 10;103(4):854-865

Division of Reproductive Endocrinology and Infertility, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA.

Superovulation with gonadotropins alters the hormonal milieu during early embryo development and placentation, and may be responsible for fetal and placental changes observed after in vitro fertilization (IVF). We hypothesized that superovulation has differential effects depending on timing of exposure. To test our hypothesis, we isolated the effect of superovulation on pre- and peri-implantation mouse embryos. Read More

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October 2020

DNA methylation establishment of CpG islands near maternally imprinted genes on chromosome 7 during mouse oocyte growth.

Mol Reprod Dev 2020 Jun 17. Epub 2020 Jun 17.

Fertility Preservation Lab, Reproductive Medicine Center, Guangdong Second Provincial General Hospital, Guangzhou, China.

The genome methylation is globally erased in early fetal germ cells, and it is gradually re-established during gametogenesis. The expression of some imprinted genes is regulated by the methylation status of CpG islands, while the exact time of DNA methylation establishment near maternal imprinted genes during oocyte growth is not well known. Here, growing oocytes were divided into three groups based on follicle diameters including the S-group (60-100 μm), M-group (100-140 μm), and L-group (140-180 μm). Read More

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Identification of core genes in the progression of endometrial cancer and cancer cell-derived exosomes by an integrative analysis.

Sci Rep 2020 06 17;10(1):9862. Epub 2020 Jun 17.

College of Animal Sciences, Zhejiang University, Hangzhou, Zhejiang, P. R. China.

Endometrial cancer is one of the most prevalent tumors of the female reproductive system causing serious health effects to women worldwide. Although numerous studies, including analysis of gene expression profile and cellular microenvironment have been reported in this field, pathogenesis of this disease remains unclear. In this study, we performed a system bioinformatics analysis of endometrial cancer using the Gene Expression Omnibus (GEO) datasets (GSE17025, GSE63678, and GSE115810) to identify the core genes. Read More

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Downregulated PEG3 ameliorates cardiac fibrosis and myocardial injury in mice with ischemia/reperfusion through the NF-κB signaling pathway.

J Bioenerg Biomembr 2020 06 30;52(3):143-154. Epub 2020 Apr 30.

Department of Breast Surgery, Harbin Medical University Cancer Hospital, No. 150, Haping Road, Nangang District, Heilongjiang Province, 150001, Harbin, People's Republic of China.

Expression of paternally-expressed gene 3 (PEG3) has been identified in new cardiac adult stem cell population, which is involved in post-myocardial infarction remodeling. The cardiac fibroblasts function in the repair and remodeling events after myocardial ischemia, while the role of PEG3 in these events has not been investigated yet. In this study, artificial knockdown of PEG3 through p-LV-GFP-sh-PEG3 injection was performed in a ischemia/reperfusion (I/R) mouse model to explore the role of PEG3 in cardiac fibrosis, myocardial injury and cardiomyocyte apoptosis. Read More

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